From patchwork Wed Jun 8 11:58:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 12873353 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B86F3C43334 for ; Wed, 8 Jun 2022 11:59:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238469AbiFHL7E (ORCPT ); Wed, 8 Jun 2022 07:59:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56178 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238412AbiFHL67 (ORCPT ); Wed, 8 Jun 2022 07:58:59 -0400 Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 012C41775D5 for ; Wed, 8 Jun 2022 04:58:58 -0700 (PDT) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 2587SoaD013216 for ; Wed, 8 Jun 2022 04:58:58 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=q/PChqyD9iihTLaWAJ8+9/Y/2bNUAghucgNAWNQXuZM=; b=L3poA11+g/lSzm061Mon9ME5NzczCvZ4I/+rI/vmN2Ui7BX7+BnfhtR+TlRx3qbyQK1A ImcgaJryRRhb+9m7jGcKWd7gMp2AJa1vXbGZh7jZdSZ77m4mukBdF4wdQgZhf+IR9+re i3bzVhie4lmvRuajkWp7HnSQbf1mgIwHvKz8G9hjaGTF8jFtbQiiVX+5eCfKSoiCZxFI +8BL1QrHNWqfJpoximTk3HIBNXXsnUalSE+RRcopa8tV34IdIf+8sKE2PNa0zOGQR+co Tlfg6LX0Ykde8LKjbRxLr3Z+3myhW8vK/vNXV/IGC5jfKkfJTJBr7YZhCjUgtwLC7y9V sQ== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3gjqdps05t-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Wed, 08 Jun 2022 04:58:58 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 8 Jun 2022 04:58:56 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 8 Jun 2022 04:58:56 -0700 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id 9D83A3F704B; Wed, 8 Jun 2022 04:58:56 -0700 (PDT) From: Nilesh Javali To: CC: , Subject: [PATCH 08/10] qla2xxx: edif: Reduce N2N thrashing at app_start time Date: Wed, 8 Jun 2022 04:58:47 -0700 Message-ID: <20220608115849.16693-9-njavali@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20220608115849.16693-1-njavali@marvell.com> References: <20220608115849.16693-1-njavali@marvell.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: ALd9rkgYn--milhm39KyR2xD6F5XztpS X-Proofpoint-GUID: ALd9rkgYn--milhm39KyR2xD6F5XztpS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.517,FMLib:17.11.64.514 definitions=2022-06-08_03,2022-06-07_02,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Quinn Tran For n2n + remote wwpn is bigger than local adapter, remote adapter will login to local adapter while authentication application is not running. When authentication application do starts, the current session in FW needs to to be invalidate. This patch make sure the old session is torn down before triggering a relogin. Fixes: 4de067e5df12 ("scsi: qla2xxx: edif: Add N2N support for EDIF") Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali --- drivers/scsi/qla2xxx/qla_edif.c | 47 ++++++++++++++++++++++++--------- 1 file changed, 34 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c index 5ada36acf129..9d093b053c32 100644 --- a/drivers/scsi/qla2xxx/qla_edif.c +++ b/drivers/scsi/qla2xxx/qla_edif.c @@ -517,11 +517,28 @@ qla_edif_app_start(scsi_qla_host_t *vha, struct bsg_job *bsg_job) list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) fcport->n2n_link_reset_cnt = 0; - if (vha->hw->flags.n2n_fw_acc_sec) - set_bit(N2N_LINK_RESET, &vha->dpc_flags); - else + if (vha->hw->flags.n2n_fw_acc_sec) { + list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) + qla_edif_sa_ctl_init(vha, fcport); + + /* + * While authentication app was not running, remote device + * could still try to login with this local port. Let's + * clear the state and try again. + */ + qla2x00_wait_for_sess_deletion(vha); + + /* bounce the link to get the other guy to relogin */ + if (!vha->hw->flags.n2n_bigger) { + set_bit(N2N_LINK_RESET, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + } + } else { + qla2x00_wait_for_hba_online(vha); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); - qla2xxx_wake_dpc(vha); + qla2xxx_wake_dpc(vha); + qla2x00_wait_for_hba_online(vha); + } } else { list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { ql_dbg(ql_dbg_edif, vha, 0x2058, @@ -920,17 +937,21 @@ qla_edif_app_getfcinfo(scsi_qla_host_t *vha, struct bsg_job *bsg_job) if (tdid.b24 != 0 && tdid.b24 != fcport->d_id.b24) continue; - if (fcport->scan_state != QLA_FCPORT_FOUND) - continue; + if (!N2N_TOPO(vha->hw)) { + if (fcport->scan_state != QLA_FCPORT_FOUND) + continue; - if (fcport->port_type == FCT_UNKNOWN && !fcport->fc4_features) - rval = qla24xx_async_gffid(vha, fcport, true); + if (fcport->port_type == FCT_UNKNOWN && + !fcport->fc4_features) + rval = qla24xx_async_gffid(vha, fcport, + true); - if (!rval && - !(fcport->fc4_features & FC4_FF_TARGET || - fcport->port_type & - (FCT_TARGET | FCT_NVME_TARGET))) - continue; + if (!rval && + !(fcport->fc4_features & FC4_FF_TARGET || + fcport->port_type & + (FCT_TARGET | FCT_NVME_TARGET))) + continue; + } rval = 0;